Grab bar



FIG. 1 is a perspective view of a grab bar of the new design;

FIG. 2 is a front elevational view of the grab bar of FIG. 1;

FIG. 3 is a rear elevational view of the grab bar of FIG. 1;

FIG. 4 is a left side elevational view of the grab bar of FIG. 1, the right side elevational view being a mirror image thereof;

FIG. 5 is a top plan view of the grab bar of FIG. 1; and,

FIG. 6 is a bottom plan view of the grab bar of FIG. 1.

The portions of the Figures shown in broken lines are not part of the claimed design and are for illustration only. 

The ornamental design for a grab bar, as shown and described. 